There's no denying that Firefox 4 Mobile is a different kind of browser for Android, and it's come into its own with a wide variety of add-ons, and a seamless sync-up with your desktop Firefox, right down to the tabs you had open. Mozilla highlights what's new in this video:

The exclamation point on this release is Mozilla's claim that Firefox Mobile now out-performs Google's own Browser app in JavaScript benchmarks. And while this release does feel snappier, here's how two pages loaded out on the browsers, if you can put some trust in my timer trigger finger:

So maybe my Lifehacker.com load was a stray error, and maybe Firefox is catching up to the default browser. It still doesn't feel quite as instant, but I could see using it, if I was intrigued by a particular add-on or Sync features.